1 // Copyright 2017 Google Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 /////////////////////////////////////////////////////////////////////////////// 16 17 #ifndef TINK_BINARY_KEYSET_READER_H_ 18 #define TINK_BINARY_KEYSET_READER_H_ 19 20 #include <istream> 21 #include <memory> 22 #include <string> 23 24 #include "absl/strings/string_view.h" 25 #include "tink/keyset_reader.h" 26 #include "tink/util/statusor.h" 27 #include "proto/tink.pb.h" 28 29 namespace crypto { 30 namespace tink { 31 32 // A KeysetReader that can read from some source cleartext or 33 // encrypted keysets in proto binary wire format, cf. 34 // https://developers.google.com/protocol-buffers/docs/encoding 35 class BinaryKeysetReader : public KeysetReader { 36 public: 37 static crypto::tink::util::StatusOr<std::unique_ptr<KeysetReader>> New( 38 std::unique_ptr<std::istream> keyset_stream); 39 static crypto::tink::util::StatusOr<std::unique_ptr<KeysetReader>> New( 40 absl::string_view serialized_keyset); 41 42 crypto::tink::util::StatusOr<std::unique_ptr<google::crypto::tink::Keyset>> 43 Read() override; 44 45 crypto::tink::util::StatusOr< 46 std::unique_ptr<google::crypto::tink::EncryptedKeyset>> 47 ReadEncrypted() override; 48 49 private: BinaryKeysetReader(absl::string_view serialized_keyset)50 explicit BinaryKeysetReader(absl::string_view serialized_keyset) 51 : serialized_keyset_(serialized_keyset) {} 52 53 std::string serialized_keyset_; 54 }; 55 56 } // namespace tink 57 } // namespace crypto 58 59 #endif // TINK_BINARY_KEYSET_READER_H_ 60